抗组胺药除了其传统应用外,新近人们还发现其中某些(如苯海拉明、羟嗪、邻甲苯海拉明和新安替根)单独应用尚有镇痛作用或增强其它镇痛药的作用,如邻甲苯海拉明合用醋氨酚,羟嗪合用吗啡、羟嗪合用度冷丁等。以双盲、安慰剂对照、平行分组试验,对苯托沙敏增强醋氨酚镇痛的作用进行了研究,结果表明,对分娩阴道撕裂妇女,650mg醋氨酚合用60mg苯托沙敏组与单独用 In addition to its traditional use of antihistamines, more recently, it has also been found that some of these (such as diphenhydramine, hydroxyzine, omephedrine and xanthine) alone or analgesic effect of other analgesics Role, such as omeprazole combined with acetaminophen, hydroxyzine morphine, hydroxyzine combination of cold Ding and so on. A double-blind, placebo-controlled, parallel-group study of benzotisidone enhances the effect of acetaminophen analgesia was studied. The results showed that women with vaginal tear delivery, combination of 650mg acetaminophen 60mg benzethonium group With alone